package com.zengqingfa.designpattern.behavior.observer.guava;

/**
 *
 * @fileName: Observer
 * @author: zengqf3
 * @date: 2021-4-23 15:03
 * @description: 观察者
 */
public interface Observer {

    /**
     * 更新
     */
    void update(String notice);
}
